ordered dealers to stop selling new 2008 F-series Super Duty pickups equipped with the 6.4-liter diesel engine after receiving reports of tailpipe fires. The majority of the pickups — 29,000 — were still on dealers' lots, the Ford said. Ford is also recalling 8,400 of the trucks.

According to the Associated Press, Ford spokesman Dan Jarvis said the company received three reports of flames coming from the truck's tailpipe, caused by leaking fuel that ignited in the exhaust system's diesel particulate filter near the tailpipe.

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"It's really something that we noticed early on, and we're moving swiftly to fix the problem," he said.

Ford said the problem is rare and has only occurred in a few vehicles with damaged engines or turbochargers. No trucks were destroyed by the problem, and there have been no reports of accidents or injuries, though it is blamed for one small roadside grass fire in Texas. Ford says the problem is being corrected by updating the truck's software in both individual vehicles and at the Louisville, Ky., plant where the trucks are built.